Installation Sheet
NOTICE
IT IS IMPORTANT TO CAREFULLY
FOLLOW ALL INSTALLATION AND
MOUNTING INSTRUCTIONS WHEN
INSTALLING ANY DOOR CLOSER.
MAXIMUM
DOOR WIDTH
FULL TURNS OF POWER
ADJUSTING SCREW
*
CW = clockwise CCW = counterclockwise
EXTERIOR
(SWING OUT)
DOOR
CLOSER
SIZE
INTERIOR
BF
1
2
3
4
5
6
28” (0.71m)
14 CCW
12 CCW
6 CCW
QDC111 QDC111BF
3 CCW
3 CW
7 CW
12 CW
4 CW
0 (PRESET) 0 (PRESET)
8 CCW
36” (0.91m)
42” (1.07m)
48” (1.22m)
54” (1.37m)
5 lb-f
32” (0.81m)
32” (0.81m)
36” (0.91m)
42” (1.07m)
48” (1.22m)
54” (1.37m)
58” (1.47m)
*NOTICE
TURNS REQUIRED ARE APPROXIMATE DUE TO VARIOUS DOOR CONDITIONS AND
LOCATIONS. FURTHER ADJUSTMENTS FOR SPRING POWER MIGHT BE NECESSARY
TO SUIT YOUR REQUIREMENTS.
LATCH SPEED
CONTROL SCREW
BACK CHECK
SCREW
SWEEP SPEED
CONTROL SCREW
DELAYED ACTION
CONTROL SCREW
SPRING POWER
ADJUSTING SCREW
THREE INSTALLATION OPTIONS: A, B, AND C.
OPTION A: REGULAR ARM MOUNT
(PULL SIDE)
OPTION B: TOP JAMB MOUNT
(PUSH SIDE)
OPTION C: PARALLEL MOUNT
(PUSH SIDE)
RIGHT HAND DOOR = RH
LEFT HAND REVERSE = LHR
LEFT HAND DOOR = LH
RIGHT HAND REVERSE = RHR
RIGHT HAND DOOR = RH
LEFT HAND REVERSE = LHR
CCW
CW
+
1
2
4
CONTROL RANGE
BACK CHECK
DELAYED ACTION
SWEEP
LATCH
Increase
Decrease
Increase
Decrease
Slow
Fast
Slow
Fast
3
DOOR HANDING
DOOR HANDS DETERMINED FROM OUTSIDE
LEFT HAND
RIGHT HAND
INSIDE
OUTSIDE
INSIDE
OUTSIDE
LEFT HAND
REVERSE BEVEL
RIGHT HAND
REVERSE BEVEL
COVER
SCREW
HOLES
SPRING POWER / SIZING
HEX
WRENCH
The closing force for series QDC111BF door closers is an adjustable form of a size 1 to a size 6, as
outllined in ANSI Standard A156.4. When these series of door closers are installed and adjusted to
conform to ADA reduced opening force requirements (5 lbs max) for interiror doors, they may not have
adequate closing force to reliably close and latch door. Power adjustments charted on this page are
recommended where possible to ensure proper door control.
By law, the Americans with Disabilities Act (ADA)
may require that door closer installation comply
with accessibility guidelines.
QDC100 SERIES
DOOR CLOSER
INSTALLATION INSTRUCTIONS
ENGLISH
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